2006 Mercedes R-Class Owner's Manual - Page 224

Controls in detail Climate control Closing the center air vents Turn thumbwheels 5 and 6 ( page 216) downward. The corresponding center air vents on the left and right are closed. Opening the side air vents Turn thumbwheels 2 and 7 ( page 216) upward. The corresponding side air vents on the left and right are open. Closing the side air vents Turn thumbwheels 2 and 7 ( page 216) downward. The corresponding side air vents on the left and right are closed. Front defroster You can use this setting to defrost the windshield, for example if it is iced up. You can also use it to defog the windshield and side windows. The climate control switches to the following functions automatically: maximum blower speed and heating power air flows onto the windshield and the front side windows (side air vents must be open) the air conditioning compressor switches on at outside temperatures above approximately 41°F (5°C) for air-drying Deactivating Press button 0 ( page 218) once more. The indicator lamp on the button goes out. Defrosting is turned off. The previous settings are in effect again. The air conditioning compressor remains switched on. i Keep this setting selected only until the windshield or the side windows are clear again. Activating Press button 0 ( page 218). The indicator lamp on the button comes on. i To switch off, you can also press button ´ or U ( page 218). 223